| Physicist with a unit of distance named after him | 49 |
| Physicist with an element named after him | 41 |
| Physicist with an eponymous number | 34 |
| Physicist's alma mater, maybe: Abbr. | 40 |
| Physicist's concern, for short | 34 |
| Physicist's fundamental particle | 36 |
| Physicist's little-known hygiene problem? | 45 |
| Physicist's meditation syllables? | 37 |
| Physicist's post-grad academic deg. | 39 |
| Physicist's subject of study | 32 |
| Physicist's window treatment? | 33 |
| Physicists get a charge out of it | 33 |
| Physics Nobelist Fitch and others | 33 |
| Physics Nobelist Simon van der -- | 33 |
| Physics Nobelist Simon van der ___ | 34 |
| Physics Nobelist Stern and others | 33 |
| Physics Nobelist the year after Einstein won | 44 |
| Physics particle with an integral spin | 38 |
| Physics particle with no strong force | 37 |
| Physics rule determined by Newton | 33 |
| Physics unit equal to 10,000 gauss | 34 |
| Physics unit that sounds like a gem | 35 |
| Physics units also known as centigrays | 38 |
| Physiologist François ___: 1783-1855 | 39 |
| Physiologist Ivan who worked with dogs | 38 |
| Physiologist Mosso: 1846–1910 | 36 |
| Physiologist who won a 1904 Nobel Prize | 39 |
| Physiology Nobelist Walter Rudolf ___ | 37 |
| Pi is often used to calculate it | 32 |
| Pi ___, "Life of Pi" protagonist | 42 |
| Pia of ''Butterfly'' | 36 |
| Pia who has had a checkered acting career | 41 |
| Pianist at Rick's Cafe Americain | 36 |
| Pianist born in Kurilovka, Poland | 33 |
| Pianist Bruce relocated to Paris? | 33 |
| Pianist called a "clown prince" | 41 |
| Pianist Chick from the Arctic Circle? | 37 |
| Pianist Gilels or actor Jannings | 32 |
| Pianist Glenn known for his Bach interpretations | 48 |
| Pianist in "Casablanca" | 33 |
| Pianist in Esther Williams flicks | 33 |
| Pianist in the jazz band Return to Forever | 42 |
| Pianist known for his Beethoven interpretations | 47 |
| Pianist leader of the Philly Pops | 33 |
| Pianist Peter and a fiddling emperor | 36 |
| Pianist told to "Play it again" | 41 |
| Pianist who claimed to have invented jazz | 41 |
| Pianist who frequently collaborates with Yo-Yo Ma | 49 |
| Pianist's finger-sliding passage | 36 |
| Pianist's prepared pieces, perhaps | 38 |
| Pianist's reference material | 32 |
| Pianist-singer known for long album titles | 42 |
| Pianists' black-and-white rows | 34 |
| Pianists' dexterity exercises | 33 |
| Pianists' dexterity improvers | 33 |
| Piano bar standard composed by Erroll Garner | 44 |
| Piano bar tip for a Joplin tune? | 32 |
| Piano control that makes strange noises? | 40 |
| Piano key that's the same as A sharp | 40 |
| Piano pedals that mute the strings | 34 |
| Piano player in "Casablanca" | 38 |
| Piano player in Rick's place | 32 |
| Piano player's practice piece | 33 |
| Piano teacher on "Family Guy" | 39 |
| Piano teacher's practice assignment | 39 |
| Piano teacher's request, maybe | 34 |
| Piano theme song for Vincent Lopez | 34 |
| Piano tune played with two fingers | 34 |
| Piano's highest and lowest black key | 40 |
| Piano's opposite, in a score | 32 |
| Piano-playing dog on "The Muppet Show" | 48 |
| Piñero's "Short ___" | 37 |
| Pic de ___, highest of the Pyrenees | 35 |
| Picaresque hero of an 18th-century French novel | 47 |
| Picasso's "Blue ___" | 34 |
| Picasso's "Colombe ___ fleurs" | 44 |
| Picasso's "Dora Maar ___" | 39 |
| Picasso's "Dora ___ Seated" | 41 |
| Picasso's "private muse" | 38 |
| Picasso's "The Blue ___" | 38 |
| Picasso's "The ___ Guitarist" | 43 |
| Picasso's "___ Maar au Chat" | 42 |
| Picasso's "___ Maar Seated" | 41 |
| Picasso's "___ Musicians" | 39 |
| Picasso's "___ Player" | 36 |
| Picasso's Pictionary drawings? | 34 |
| Picasso's preference, 1901-04 | 33 |
| Picasso's ___ Period, 1901-04 | 33 |
| Pick some date fruit off the tree | 33 |
| Pick the luggage screeners' org. | 36 |
| Pick the pick of the litter, e.g. | 33 |
| Pick up and go or pack up and go | 32 |
| Pick up with a certain grasping tool | 36 |
| Pick, briefly, in football parlance | 35 |
| Pick-up and drop-off point: Abbr. | 33 |
| Picked up at the lost and found, say | 36 |
| Picked up while hitchhiking, say | 32 |
| Picked up, as an hors d'oeuvre | 34 |
| Picked-on instruments, for short | 32 |
| Picked-on one of the litter, perhaps | 36 |